cold front santa rosa, 3 is. 36 livermore. notice it's a little hazy out there. a spare-the-air day today. 40s by noontime for everyone. upper 30s to near 50 by about 4:00. we are not done with our cold snap. the coldest night that we've seen in the past week, it's coming back tonight with another freeze warning. i'll have that for you coming up with another accuweather sevendy forecast. >> in the south day officials are working to save lives as the conditions drop low enough to create life-threatening conditions. at least four deaths have occurred this week at location throughout santa clara county. but a new effort to get people off the street and into a shelter are making a difference. we report from a san jose shelter protecting more than 200 cold snap refugees. >> in addition to all of the beds, they had to bring in mats to handle the people that will need a place out of the cold. about 225 are expected at had shelter in san jose. >> i have people out there who are freezing and i worry about them because i don't want nobody to pass away like it has been the